/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
var app = {

    lastTimeBackPress: 0,
    timePeriodToExit: 2000,
    // Application Constructor
    initialize: function () {
        this.bindEvents();
    },
    // Bind Event Listeners
    //
    // Bind any events that are required on startup. Common events are:
    // 'load', 'deviceready', 'offline', and 'online'.
    bindEvents: function () {
        document.addEventListener('deviceready', this.onDeviceReady, false);
    },
    // deviceready Event Handler
    //
    // The scope of 'this' is the event. In order to call the 'receivedEvent'
    // function, we must explicitly call 'app.receivedEvent(...);'
    onDeviceReady: function () {
        document.addEventListener("backbutton", function (e) {
            if (!["#/main", "#/signin"].includes(location.hash)) {
                e.preventDefault();
                navigator.app.backHistory();
            }
            else {
                app.onBackKeyDown(e);
            }
        }, false);
        app.receivedEvent('deviceready');
    },
    // Update DOM on a Received Event
    receivedEvent: function (id) {
        var parentElement = document.getElementById(id);
        var listeningElement = parentElement.querySelector('.listening');
        var receivedElement = parentElement.querySelector('.received');
        listeningElement.setAttribute('style', 'display:none;');
        receivedElement.setAttribute('style', 'display:block;');
        console.log('Received Event: ' + id);
    },
    // Press again to exit.
    onBackKeyDown: function (e) {
        e.preventDefault();
        e.stopPropagation();
        if (new Date().getTime() - this.lastTimeBackPress < this.timePeriodToExit) {
            navigator.app.exitApp();
        } else {
            window.plugins.toast.showWithOptions(
                {
                    message: "再按一次退出",
                    duration: "short",
                    position: "bottom",
                    addPixelsY: -200
                }
            );
            this.lastTimeBackPress = new Date().getTime();
        }
    }
};